Dione (buwan)

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Dione viewed by Cassini just before its final close flyby on August 17, 2015 - Saturn and its rings are in the background.
Natuklasan niGiovanni Cassini
Natuklasan noongMarch 21, 1684
Ibang designasyonSaturn IV
Orbital characteristics
Semi-major axis377396 km
Orbital period2.736915 d[1]
Inclination0.019° (to Saturn's equator)
Satellite ofSaturn
Pisikal na katangian
Dimensiyon1128.8 × 1122.6 × 1119.2 km[2]
Mean radius561.4±0.4 km[2]
Pang-ibabaw na sukat3964776.51 km2[3]
Mass(1.095452±0.000168)×1021 kg[4] (3.28×10-4 Earths)
Mean density1.478±0.003 g/cm³[2]
Surface gravity0.233 m/s2
Escape velocity0.51 km/s
Rotation period2.736915 d
Axial tiltzero
Albedo0.998±0.004 (geometric)[5]
Temperature87 K (−186°C)
Apparent magnitude10.4 [6]

Ang Dione ay isang buwan sa Saturn.

Mga sanggunian[baguhin | baguhin ang wikitext]

  1. 1.0 1.1 http://exp.arc.nasa.gov/downloads/celestia/data/solarsys.ssc Naka-arkibo 2005-03-09 sa Wayback Machine. Exp.arc.nasa.gov Retrieved on 05-21-07
  2. 2.0 2.1 2.2 Roatsch, T.; Jaumann, R.; Stephan, K.; Thomas, P. C. (2009). "Cartographic Mapping of the Icy Satellites Using ISS and VIMS Data". Saturn from Cassini-Huygens. pp. 763–781. doi:10.1007/978-1-4020-9217-6_24. ISBN 978-1-4020-9216-9.
  3. Phil Davis? (April 1, 2011). "Solar System Exploration: Planets: Saturn: Moons: Dione: Facts & Figures". NASA. Inarkibo mula sa ang orihinal noong October 12, 2012. Nakuha noong March 24, 2013.
  4. Jacobson, R. A.; Antreasian, P. G.; Bordi, J. J.; Criddle, K. E.; Ionasescu, R.; Jones, J. B.; Mackenzie, R. A.; Meek, M. C.; Parcher, D.; Pelletier, F. J.; Owen, Jr., W. M.; Roth, D. C.; Roundhill, I. M.; Stauch, J. R. (December 2006). "The Gravity Field of the Saturnian System from Satellite Observations and Spacecraft Tracking Data". The Astronomical Journal. 132 (6): 2520–2526. Bibcode:2006AJ....132.2520J. doi:10.1086/508812.
  5. Verbiscer, A.; French, R.; Showalter, M.; Helfenstein, P. (9 February 2007). "Enceladus: Cosmic Graffiti Artist Caught in the Act". Science. 315 (5813): 815. Bibcode:2007Sci...315..815V. doi:10.1126/science.1134681. PMID 17289992. Nakuha noong 20 December 2011. (supporting online material, table S1)
  6. Observatorio ARVAL (April 15, 2007). "Classic Satellites of the Solar System". Observatorio ARVAL. Inarkibo mula sa ang orihinal noong 2011-08-25. Nakuha noong 2011-12-17.

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